Subject:
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IR Line of Sight (was: Re: Fw: RcxCC Joystick controls)
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 7 Jan 1999 21:16:14 GMT
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Original-From:
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Don Hewitt <donhewitt@worldnet.att!Spamless!.net>
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Viewed:
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1228 times
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I've had pretty good results by elevating the IR Tower (it stands on the
computer desk), pointing the IR Tower toward the center of the room, and
mounting the RCX so that its IR port is pointing up (make sure it is the
highest point on the robot).
I've been able to drive around the room, even when I don't have direct line
of sight. It seems to work up to at least 10-12 feet away in this
configuration, and you can turn the robot around in circles without
introducing any directional problems. I must be getting good reflections
from the ceiling / walls / or other objects in the room.
Make sure that you set both ends of the IR connection to long-range, and
avoid driving under tables or couches!
Don Hewitt
At 11:47 AM 1/7/99 -0600, Tom Rowton wrote:
> I've given a bit of thought to the line of sight prob with the IR receiver
> on the RCX and have come up with an idea that should help, as long as the
> RCX and the IR tower have line of sight, no matter which direction the RCX
> is facing.
>
> Lego purists - delete this message now. Read no further. <wink>
>
> Make a small mirror apparatus like the ones used to film in 360 degrees.
> There may be new tech, but when I saw how it was done, filmers had multiple
> cameras facing the sky, but pointed at a mirrors(45 degrees from camera's 0)
>
> Basically, you need a miniature disco ball poised above the IR receiver to
> bounce transmissions no matter which direction you are facing. I know this
> should work, as I do it with my TV remote all the time.
>
> Alternately, you could coat all surfaces in your house with mirrors, but...
>
> trowt
<snip>
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message has 2 Replies:
Message is in Reply To:
 | | Fw: RcxCC Joystick controls
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| I've given a bit of thought to the line of sight prob with the IR receiver on the RCX and have come up with an idea that should help, as long as the RCX and the IR tower have line of sight, no matter which direction the RCX is facing. Lego purists - (...) (25 years ago, 7-Jan-99, to lugnet.robotics)
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